EP2647772A1 - Structure de fixation de caméra latérale pour machine de construction - Google Patents

Structure de fixation de caméra latérale pour machine de construction Download PDF

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Publication number
EP2647772A1
EP2647772A1 EP11845577.3A EP11845577A EP2647772A1 EP 2647772 A1 EP2647772 A1 EP 2647772A1 EP 11845577 A EP11845577 A EP 11845577A EP 2647772 A1 EP2647772 A1 EP 2647772A1
Authority
EP
European Patent Office
Prior art keywords
vehicle body
body frame
storage case
construction machine
wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11845577.3A
Other languages
German (de)
English (en)
Other versions
EP2647772A4 (fr
EP2647772B1 (fr
Inventor
Shinya Abe
Yasushi Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Publication of EP2647772A1 publication Critical patent/EP2647772A1/fr
Publication of EP2647772A4 publication Critical patent/EP2647772A4/fr
Application granted granted Critical
Publication of EP2647772B1 publication Critical patent/EP2647772B1/fr
Active legal-status Critical Current
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/24—Safety devices, e.g. for preventing overload
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
    • E02F9/0883—Tanks, e.g. oil tank, urea tank, fuel tank
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/301—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom with more than two arms (boom included), e.g. two-part boom with additional dipper-arm
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/0833—Improving access, e.g. for maintenance, steps for improving driver's access, handrails
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/26—Indicating devices
    • E02F9/261—Surveying the work-site to be treated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/51—Housings

Definitions

  • the present invention relates to an attachment structure of a side camera which is provided to monitor a side of a construction machine such as a hydraulic excavator or crane.
  • a camera which monitors a surrounding area is generally provided in a construction machine such as a hydraulic excavator.
  • a monitoring camera which is provided above a counterweight behind an engine compartment, and monitors the safety of the area behind an construction machine in operation, is proposed (refer to Patent Document 1, for example).
  • a wheel hydraulic excavator provided with four wheels, namely, front and back right and left positions, and configured to travel on a public road is proposed as a construction machine such as a hydraulic excavator.
  • An operator's cab is provided on the left side in such a construction machine (left side in vehicle), and a working device of a boom, arm, etc., is provided in the central portion of a vehicle on the right side of the operator's cab.
  • the working device is in a folded storage condition during traveling, so that it is difficult for an operator to recognize the surrounding area on the right side of the vehicle. Therefore, a construction machine in which a side camera is provided on the right side in a vehicle, and an image photographed by the side camera is displayed on a monitor so as to monitor the surrounding area on the right side of the vehicle is known.
  • FIG. 8 provides a side view of a construction machine (wheel hydraulic excavator) provided with a side camera.
  • the construction machine 1 includes a traveling structure 2, a revolving structure 3 provided above the traveling structure 2 and having a vehicle body frame 3A, and a front working device 4 having a boom which is fixed to the revolving structure 3 to rotate in the up and down direction, an arm, and a bucket.
  • the revolving structure 3 includes in the front portion thereof an operator's cab 5 and in the back portion thereof a counterweight 6.
  • a fuel tank 7 and engine compartment 8 are provided between the operator's cab 5 and the counterweight 6.
  • reference numbers 9, 10 denote wheels provided in the front and back right and left portions of the traveling structure 2, respectively.
  • FIG. 9 illustrates a configuration near the side door 11.
  • FIG. 9(a) provides a perspective view when the side door 11 is closed and
  • FIG. 9(b) provides a perspective view when the side door 11 is opened.
  • the back portion of the side door 11 is mounted on the front portion of the fuel tank 7 thorough a hinge (not shown) so that the side door 11 is openabaly and closably mounted on the fuel tank 7.
  • the side camera 12 is attached inside the side door 11, and the side door 11 is provided such that an imaging lens faces outside from a hole provided in the side door 11.
  • the side door 11 is opened and closed for the maintenance of the hydraulic equipment in the utility compartment and removing the maintenance tool.
  • a handrail 17 is provided in the utility compartment illustrated in FIG. 9(b) .
  • the side door 11 is also opened and closed when using the handrail 17 for climbing up to the top surface portion of the revolving structure 3 by using steps 13, 14, 15, 16 for the maintenance on the revolving structure 3.
  • Patent Document 1 JP2008-231726A
  • the wiring for the side camera in view of the opening and closing of the side door because the side door is openably and closably provided in the vehicle body.
  • the assembling performance of the side camera to the vehicle body is deteriorated.
  • It is also necessary to provide a protective structure for the wiring because a measure which prevents damage to the wiring due to the opening and closing of the door is required. For this reason, the structure becomes complex.
  • the side camera projects in the utility compartment when the door is closed, so that an arrangement which prevents interference with inside equipment is required, and the arrangement position is limited.
  • an object of the present invention to provide a side camera attachment structure for a construction machine which improves the assembling performance of the side camera to a vehicle body and does not require a special protective structure for the wiring of the side camera.
  • a side camera attachment structure for a construction machine is applied to a side camera attachment structure for a construction machine including a vehicle body frame constituting a revolving structure of the construction machine, an operator's cab provided in one side of right and left of a front portion of the vehicle body frame, a working device provided in a central position in the front portion of the vehicle body frame, and a utility compartment provided in the other side of the right and left of the front portion of the vehicle body frame, which is a side opposite to the operator's cab across the working device.
  • the utility compartment is formed into a box shape formed by a right side wall, a left side wall and a lockable opening and closing cover, the opening and closing cover opening and closing an upper portion of the utility compartment, and a side camera which images a side of the other side of the right and left of the vehicle body frame and a fastener which fastens the side camera are provided in the utility compartment.
  • the side camera can be fastened to the right side wall of the utility compartment, for example, by simply using the fastener in the utility compartment. Therefore, the assembling performance of the side camera to the vehicle body frame can be improved. Moreover, it becomes unnecessary to provide a special protective structure for the wiring of the side camera, and thus, a simple side camera attachment structure can be achieved.
  • the invention of Claim 2 further includes a storage case which stores inside thereof the side camera.
  • the fastener of the utility compartment is provided in one of the right side wall and the left side wall
  • the storage case is formed into a box shape having at least a left side surface wall, a right side surface wall, and a front surface wall
  • a fastened portion which fastens the storage case to the fastener of the utility compartment is provided in one of the left side surface wall and the right side surface wall
  • an opening portion through which an imaging lens of the side camera faces outside is provided in the other of the left side surface wall and the right side surface wall
  • the storage case is provided outside the utility compartment.
  • the utility compartment is formed such that a side wall located on the other side of the right and left of the vehicle body frame in the right side wall and the left side wall is located on the operator's cab side far from an end portion of the other side of the right and left of the vehicle body frame, and the storage case and the utility compartment are arranged next to each other toward the side of the operator's cab from an end portion of the other side of the vehicle body frame.
  • an oil storage tank is provided behind the utility compartment on the vehicle body frame, a concave portion is formed in a front lower portion of the oil storage tank, the storage case is housed in the concave portion of the oil storage tank, and a back end portion of the utility compartment is housed in the concave portion.
  • a space which can be used as a step is formed in front of the storage case on the side of the utility compartment in a position of the other side of the right and left of the front portion of the vehicle body frame.
  • a side camera attachment structure for a construction machine which can improve the assembling structure of the side camera to the vehicle body and does not require a special protective structure for the wiring of the side camera, can be achieved.
  • FIGs. 1-6 a first embodiment of the present invention will be described with reference to FIGs. 1-6 .
  • FIG. 1 provides a side view of a construction machine to which a side camera attachment structure according to the present invention is applied.
  • a construction machine 1 includes a traveling structure 2, a revolving structure 3 which is provided above the traveling structure 2 and has a vehicle body frame 20, and a front working device 4 having a boom which is fixed to the revolving structure 3 and rotates in the up and down direction, an arm and a bucket.
  • the revolving structure 3 includes in the left front portion thereof an operator's cab 5 and in the back portion thereof a counterweight 6.
  • An engine compartment 8 is provided in front of the counterweight 6.
  • An oil storage tank 21 including a fuel tank is provided in front of the engine compartment 8 on the side (right side) opposite to the operator's cab 5 across the front working device 4.
  • reference numbers 9, 10 denote wheels provided in the front and back right and left portions of the traveling structure 2, respectively.
  • a utility box 22 which stores inside thereof a tool or the like, and is openable and closable by an opening and closing cover 22A, a storage case 23 which stores inside thereof a side camera 32 (not shown in FIG. 1 ), a first step 24, a second step 25, and a third step 26 which are used when climbing up to the top surface portion of the revolving structure 3 are provided in front of the fuel tank 21. In addition, the details of these will be described later.
  • FIGs. 2(a), 2(b) are perspective views each illustrating the enlarged right front portion of the construction machine (hydraulic excavator).
  • FIG. 2(a) provides a view illustrating a state in which the opening and closing cover 22A of the utility box 22 is closed.
  • FIG. 2(b) provides a view illustrating a state in which the opening and closing cover 22A of the utility box 22 is opened.
  • the right side is the front portion side in the construction machine and the left side is the back portion side in the construction machine.
  • a working device connection portion 27 to which the front working device 4 is connected is provided in the central portion of the front portion of the vehicle body frame 20.
  • the working device connection portion 27 extends in the front and back direction of the vehicle body.
  • the operator's cab 5 (refer to FIG. 1 ) is provided on the vehicle body frame 20 on the left side of the working device connection portion 27, and the oil storage tank 21, the utility box 22 as a utility compartment and the storage case 23 having inside thereof the side camera 32 are provided on the vehicle body frame 20 on the right side of the working device connection portion 27.
  • the oil storage tank 21 is formed as a container in which six surfaces are formed by an upper side surface plate 21D made of a top surface plate having a fill opening 21C and right and left side surface plates, a front surface plate 21E provided in the front surfaces of the top surface plate and side surface plates, a not-shown back surface plate and a not-shown bottom surface plate.
  • a decorative cover 21B having a predetermined thickness for ensuring the design of the tank is provided in the front surface plate 21E of the oil storage tank 21. This decorative cover 21B is provided to cover the front surface of the front surface plate 21E without covering the lower portion of the front surface plate 21E.
  • a concave portion 21A is formed below the decorative cover 21B by the lower surface of the decorative cover 21B, the front surface plate 21E of the oil storage tank 21, and the upper surface of the vehicle body frame 20.
  • the utility box 22 includes a utility box main body 22B formed by a right side wall 22D located on the right end side in the vehicle body frame 20, a left side wall 22H located on the working device connection portion 27 side and front and back side walls (not shown) connecting these side walls in the front and back portions, an opening and closing cover 22A which opens and closes an upper opening portion of the utility body main body 22B by a not-shown hinge, and a locking opening 22C for locking the opening and closing cover 22A.
  • a part of the back end portion of the utility box 22 is housed in the concave portion 21A provided in the front surface of the oil storage tank 21.
  • the right side wall 22D is provided in the vehicle body frame 20 to be located inward (left side) from the right side end of the vehicle body frame 20, such that the first step 24 made of a space having a predetermined width is formed on the vehicle body frame 20 on the right side of the right side wall 22D.
  • the opening and closing cover 22A of the utility box 22 includes on the top surface thereof a planar portion. This planar portion constitutes the second step 25 when the opening and closing cover 22A is closed.
  • the third step 26 which projects from a cutout provided in the decorative cover 21B is provided in the upper portion of the front surface plate 21E of the oil storage tank 21. An operator can easily access the oil storage tank 21 by using the first step 24, second step 25, third step 26, and hand guide portion or hand rail portion (not shown).
  • the hinge of the opening and closing cover 22A is provided in a position (in front of the concave portion 21A) where the opening and closing cover 22A does not interfere with the lower portion of the decorative cover 21B of the oil storage tank 21 in the opening and closing of the opening and closing cover 22A.
  • the storage case 23 is housed in the concave portion 21A. As illustrated in FIGs. 4, 5 , the storage case 23 is formed into a box shape having an opening back surface and five surfaces closed by a front surface wall 23A, right side surface wall 23D, left side surface wall 23B, top surface wall, and lower surface wall. A small-diameter opening 23E is provided in the right side surface wall 23D, and two bolt holes 23C and a rectangular through-hole 23F between the two bolt holes 23C are provided in the left side surface wall 23B. A weld nut 28 is firmly fixed to the bolt hole 23C in the inner surface of the left side surface wall 23B (refer to FIG. 6 ).
  • a stay 30 is provided between the left side surface wall 23B and the portion near the opening 23E of the right side surface wall 23D in the storage case 23.
  • the side camera 32 which is provided in the storage case 23 is fastened to an L-shape bracket 31, and the bracket 31 is fastened to the stay 30 by a bolt such that the imaging lens of the side camera 32 faces outside from the opening 23E.
  • a harness 33 connected to the side camera 32 is guided outside from the through-hole 23F.
  • the storage case 23 is housed in the concave portion 21A as illustrated in FIGs. 2(a), 2(b) , and is provided in the concave portion 21A such that the left side surface wall 23B is fastened to the right side wall 22D of the utility box 22.
  • the right side surface wall 23D is in plane with the right side surface plate of the upper side surface plate 21D of the oil storage tank 21 and the side surface of the decorative cover 21B, and the front surface wall 23A is in plane with the front surface of the decorative cover 21B.
  • Two bolt through-holes 22E and a rectangular through-hole 22F between the bolt through-holes 22E, 22E are provided in a part of the back end portion of the right side wall 22D of the utility box 22, which is housed in the concave portion 21A.
  • the bolt through-holes 22E and the through-hole 22F correspond to the bolt holes 23C and the through-holes 23F provided in the left side surface wall 23B of the storage case 23, and these are aligned.
  • a bolt 29 is inserted into the bolt through-hole 22E and the bolt hole 23C from the inside of the utility box 22, and the screw portion of the bolt 29 is fastened to the weld nut 28 provided in the bolt hole 23C (refer to FIG. 6 ).
  • a washer 34 is provided between the head portion of the bolt 29 and the right side wall 22D in FIG.6 .
  • the harness 33 extending from the side camera 32 passes through the through-hole 22F of the right side wall 22D of the utility box 22 from the through-hole 23F of the left side surface wall 23B of the storage case 23, is guided in the utility box 22, and is connected to a not-shown controller which controls the side camera 32 in the utility box 22.
  • the storage case 23 is attached to the right side wall 22D of the utility box 22 by threadably mounting the bolt 29 on the weld nut 28 fastened to the inside of the left side surface wall 23B of the storage case 23 from the inside of the utility box 22.
  • the bolt 20 is unfastened from the inside of the utility box 22.
  • the opening and closing cover 22A of the utility box 22 can be locked, so that the storage case 23 can not be removed from the right side wall 22D of the utility box 22 when the opening and closing cover 22A of the utility box 22 is locked. Therefore, the storage case 23 can not be easily removed, and thus, the camera can be prevented from being stolen.
  • the side camera 32 is provided in the storage case 23 which does not require opening and closing, and the storage case 32 is fastened to the utility box 22, so that it is not necessary to provide a special protective structure for the side camera 32 and the harness 33, and thus, the assembling performance is improved.
  • the storage case 23 is housed in the concave portion 21A provided in the front lower portion of the oil storage tank 21, and does not have a portion which projects outside. With this configuration, the storage case 23 does not have contact with an obstacle, and damage to the storage case 23 can be prevented.
  • the area of the first step 24 which is formed in front of the storage case 23 and on the right side of the utility box 22 can be increased. Therefore, an operator can easily climb up to the top surface portion of the revolving structure 3 or the like, and an operator can smoothly get in and get out from the construction machine.
  • the front surface wall 23A of the storage case 23 is aligned with the decorative cover 21B of the oil storage tank 21, and the right side surface wall 23D is disposed to be in plane with the right side surface plate of the upper side plate 21D of the oil storage tank 21, and the opening 23E, which faces a lens, is formed in the right side surface wall 23D, so that the viewing field area of the camera is not blocked by a structural object such as the adjacent oil storage tank 21, and sufficient side vision can be ensured.
  • the fastening of the utility box 22 and the storage case 23 in the first embodiment is performed by an attachment pin 35 instead of the weld nut 28 and the bolt 29.
  • a pin through-hole 23G is provided in the left side surface wall 23B of the storage case 23 instead of the bolt hole 23C.
  • a pin through-hole 22G is provided in the right side wall 22D of the utility box 22 instead of the bolt through-hole 22E.
  • the attachment pin 35 includes a circular plate like head portion 35A, a shaft portion 35B vertically provided in the head portion 35A, a projection 35C provided in the leading end side in the shaft portion 35B, and a base portion 35D provided on the base end side in the shaft portion 35B, the base portion 35D having a diameter slightly larger than the diameter of the shaft portion 35B.
  • the projection portion 35C includes a wedge shape having a pointed leading end, and is axisymetrically provided in two portions of the leading end side in the shaft portion 35B.
  • the diameter of the projection 35C is normally increased as illustrated in FIG. 7(a) by the biasing force such as a spring, but can be decreased in the arrow A direction if the power is applied in the arrow A direction.
  • the projection 35C and the end portion 35D of this attachment pin 35 penetrate through the pin through-hole 23G of the left side surface wall 23B of the storage case 23, and the head portion 35A is firmly fastened to the inner surface of the left side surface wall 23B in a state in which the projection 35C and the base portion 35D project outside.
  • the projection 35C of the attachment pin 35 is aligned with the pin through-hole 22G of the right side wall 22D of the utility box 22, and the projection 35C of the attachment pin 35 is pushed into the pin through-hole 22G of the right side wall 22D of the utility box 22 as illustrated in FIG. 7(b) , so that the storage case 23 is fastened to the utility box 22.
  • the diameter of the projection 35C is once decreased while passing through the pin through-hole 22G, but it is increased in the arrow B direction by the biasing force such as a spring after passing through the pin through-hole 22G.
  • the storage case 23 is fastened to the utility box 22 without opening the opening and closing cover 22A of the utility box 22.
  • the opening and closing cover 22A of the utility box 22 is opened, an operator puts a hand inside the utility box 22, the diameter of the projection 35C of the attachment pin 35 is decreased by pressing the projection 35C in the arrow A direction (refer to FIG. 7(a) ), and the axis portion 35B of the attachment pin 35 is pulled out from the pin through-hole 22G.
  • the storage case 23 by pushing the storage case 23 to the utility box 22 without using a tool or the like, the storage case 23 can be attached to the utility box 22.
  • the operator's cab 5 is provided in the front left side in the vehicle body frame 20, and the utility box 22 and the storage case 23 are provided in the front right side in the vehicle body frame 20, but the operator's cab can be provided in the front right side in the vehicle body frame 20 and the utility box and the storage case can be provided in the front left side in the vehicle body frame 20.
  • the above-described right and left relationship becomes opposite.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Signal Processing (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Body Structure For Vehicles (AREA)
EP11845577.3A 2010-11-29 2011-11-28 Structure de fixation de caméra latérale pour machine de construction Active EP2647772B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010265511A JP5600050B2 (ja) 2010-11-29 2010-11-29 建設機械のサイドカメラ取付構造
PCT/JP2011/077336 WO2012073872A1 (fr) 2010-11-29 2011-11-28 Structure de fixation de caméra latérale pour machine de construction

Publications (3)

Publication Number Publication Date
EP2647772A1 true EP2647772A1 (fr) 2013-10-09
EP2647772A4 EP2647772A4 (fr) 2018-02-14
EP2647772B1 EP2647772B1 (fr) 2022-01-05

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EP (1) EP2647772B1 (fr)
JP (1) JP5600050B2 (fr)
KR (1) KR101831479B1 (fr)
CN (1) CN103228848B (fr)
WO (1) WO2012073872A1 (fr)

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CN110291255B (zh) * 2017-02-21 2022-03-29 住友建机株式会社 挖土机
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JP6860747B2 (ja) * 2018-06-06 2021-04-21 日立建機株式会社 作業機械

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JP4782714B2 (ja) 2007-03-19 2011-09-28 日立建機株式会社 建設機械の監視カメラ盗難防止構造
US7967371B2 (en) * 2007-03-20 2011-06-28 Caterpillar Inc. Machine having camera and mounting strategy therefor
DE202007005756U1 (de) * 2007-04-19 2008-08-28 Wirtgen Gmbh Selbstfahrende Baumaschine
KR100945190B1 (ko) * 2007-10-02 2010-03-03 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 장비의 앞쪽 방향으로 개방되는 툴박스를 갖는 중장비
JP2009113736A (ja) * 2007-11-09 2009-05-28 Sony Corp カメラ取り付け構造、カメラ取り付け方法および車両の外装パネル部品
JP2010043419A (ja) * 2008-08-11 2010-02-25 Hitachi Constr Mach Co Ltd 自走式作業機械の表示装置
JP5079738B2 (ja) * 2009-05-15 2012-11-21 日立建機株式会社 建設機械

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11186964B2 (en) 2015-12-28 2021-11-30 Sumitomo(S.H.I.) Construction Machinery Co., Ltd. Shovel

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EP2647772A4 (fr) 2018-02-14
CN103228848B (zh) 2015-04-29
KR20140030110A (ko) 2014-03-11
WO2012073872A1 (fr) 2012-06-07
JP5600050B2 (ja) 2014-10-01
EP2647772B1 (fr) 2022-01-05
JP2012117225A (ja) 2012-06-21
KR101831479B1 (ko) 2018-02-22
CN103228848A (zh) 2013-07-31

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